邵庄温河大桥位于许家崖水库上游,该桥为8孔石拱,桥高8m,宽6m,全长262m,路面结构为泥结碎石,是梁徐公路上唯一的一座大桥,对方便群众发展城乡经济起到了重要作用。但该桥已带病运用15年多,整个大桥险情继增,沿库区干部群众反映强烈。经报请上级有关部门批准,1998年由公路养护隶属单位,临沂市交通委专项拨款25万元对该桥进行除险加固。1 除险施工方案的选择 通过对该桥所处河床地质状况的调查,上部还覆盖不足1m深的砂砾,下部就是黄土,其黄土中有朽木,即判断该土层为新近沉积黄土。鉴于实际地质状况,施工方 Shaoxing Wenhe Bridge is located upstream of Xujiaya Reservoir. The bridge is an 8-hole stone arch with a bridge height of 8m and a width of 6m and a total length of 262m. The pavement structure is clay-bonded gravel and is the only bridge on the Liang-Xu Highway to facilitate the development of urban and rural areas The economy has played an important role. However, the bridge has been used for more than 15 years and the entire bridge has risen in danger and has been strongly reflected by the cadres and masses in the reservoir area. The higher authorities approved by the relevant departments, in 1998 by the road maintenance subordinate units, Linyi City Commission of Transportation special grant 250,000 yuan to the reinforcement of the bridge. 1 Choice of Risks Construction Scheme Through the investigation of the geological conditions of the riverbed where the bridge is located, the upper part is covered with grit less than 1m deep. The lower part is loess. There are dead wood in the loess, which is judged as newly-deposited loess. Given the actual geological conditions, the construction side